public void TryGetStream_WhenFileDoesNotExist_ReturnsNullAndFalse()
{
var fileInfo = new FileInfo(@"C:\This\File\Does\Not\Exist.xxx");
using (var inspector = new LazyFileInspector(fileInfo))
{
Stream returnedStream;
Assert.IsFalse(inspector.TryGetStream(out returnedStream));
Assert.IsNull(returnedStream);
}
}
public void TryGetContents_WhenFileDoesNotExist_ReturnsNullAndFalse()
{
var fileInfo = new FileInfo(@"C:\This\File\Does\Not\Exist.xxx");
using (var inspector = new LazyFileInspector(fileInfo))
{
string returnedContents;
Assert.IsFalse(inspector.TryGetContents(out returnedContents));
Assert.IsNull(returnedContents);
}
}
public void TryGetFileInfo_Always_ReturnsInitializedFileInfoAndTrue()
{
var fileInfo = new FileInfo(@"C:\foo.txt");
using (var inspector = new LazyFileInspector(fileInfo))
{
FileInfo returnedFileInfo;
Assert.IsTrue(inspector.TryGetFileInfo(out returnedFileInfo));
Assert.AreSame(fileInfo, returnedFileInfo);
}
}
public void TryGetContents_WhenFileExists_ReturnsContentsAndTrue()
{
string path = SpecialPathPolicy.For <LazyFileInspectorTest>().CreateTempFileWithUniqueName().FullName;
File.WriteAllText(path, "Contents");
var fileInfo = new FileInfo(path);
using (var inspector = new LazyFileInspector(fileInfo))
{
string returnedContents;
Assert.IsTrue(inspector.TryGetContents(out returnedContents));
Assert.AreEqual("Contents", returnedContents);
}
}
public void TryGetStream_WhenFileExists_ReturnsStreamAndTrue()
{
string path = SpecialPathPolicy.For <LazyFileInspectorTest>().CreateTempFileWithUniqueName().FullName;
File.WriteAllText(path, "Contents");
var fileInfo = new FileInfo(path);
using (var inspector = new LazyFileInspector(fileInfo))
{
Stream returnedStream;
Assert.IsTrue(inspector.TryGetStream(out returnedStream));
string contents = new StreamReader(returnedStream).ReadToEnd();
Assert.AreEqual("Contents", contents);
}
}
public void Dispose_WhenStreamWasOpen_ShouldCloseTheStream()
{
string path = SpecialPathPolicy.For <LazyFileInspectorTest>().CreateTempFileWithUniqueName().FullName;
File.WriteAllText(path, "Contents");
var fileInfo = new FileInfo(path);
using (var inspector = new LazyFileInspector(fileInfo))
{
Stream returnedStream;
inspector.TryGetStream(out returnedStream);
inspector.Dispose();
Assert.DoesNotThrow(() => File.Delete(path), "Should be able to delete the file because the stream was closed.");
}
}
public void TryGetStream_WhenPreviouslyReturnedStreamWasClosed_ReturnsNewStream()
{
string path = SpecialPathPolicy.For <LazyFileInspectorTest>().CreateTempFileWithUniqueName().FullName;
File.WriteAllText(path, "Contents");
var fileInfo = new FileInfo(path);
using (var inspector = new LazyFileInspector(fileInfo))
{
Stream returnedStream;
inspector.TryGetStream(out returnedStream);
returnedStream.Close();
Stream secondReturnedStream;
Assert.IsTrue(inspector.TryGetStream(out secondReturnedStream));
Assert.AreNotSame(returnedStream, secondReturnedStream, "Should have returned a new stream since the previous one was closed.");
}
}
public void TryGetStream_WhenPreviouslyReturnedStreamStillOpen_ReturnsSameStreamAtPositionZero()
{
string path = SpecialPathPolicy.For <LazyFileInspectorTest>().CreateTempFileWithUniqueName().FullName;
File.WriteAllText(path, "Contents");
var fileInfo = new FileInfo(path);
using (var inspector = new LazyFileInspector(fileInfo))
{
Stream returnedStream;
inspector.TryGetStream(out returnedStream);
returnedStream.Position = 2;
Stream secondReturnedStream;
Assert.IsTrue(inspector.TryGetStream(out secondReturnedStream));
Assert.AreEqual(0, secondReturnedStream.Position, "Should have moved stream position back to 0.");
Assert.AreSame(returnedStream, secondReturnedStream, "Should have returned same stream since it was still open.");
}
}
SelectTestFrameworksForFilesImpl(
IEnumerable <ComponentHandle <ITestFramework, TestFrameworkTraits> > filteredTestFrameworkHandlesWithoutFallback,
TestFrameworkFallbackMode testFrameworkFallbackMode,
TestFrameworkOptions testFrameworkOptions,
IEnumerable <FileInfo> files)
{
var selections = new Dictionary <object, TestFrameworkSelection>();
var partitions = new MultiMap <TestFrameworkSelection, FileInfo>();
foreach (var file in files)
{
try
{
bool supported = false;
IList <AssemblyName> assemblyReferences = null;
using (var fileInspector = new LazyFileInspector(file))
{
FileType fileType = fileTypeManager.IdentifyFileType(fileInspector);
foreach (var testFrameworkHandle in filteredTestFrameworkHandlesWithoutFallback)
{
TestFrameworkTraits traits = testFrameworkHandle.GetTraits();
if (!traits.IsFrameworkCompatibleWithFileType(fileType, fileTypeManager))
{
continue;
}
// If the file is an assembly, then filter further by assembly references.
if (fileType.IsSameOrSubtypeOf(fileTypeManager.GetFileTypeById("Assembly")))
{
if (assemblyReferences == null)
{
assemblyReferences = GetAssemblyReferences(fileInspector);
}
if (!traits.IsFrameworkCompatibleWithAssemblyReferences(assemblyReferences))
{
continue;
}
}
TestFrameworkSelection selection = GetOrCreateSelectionIfAbsent(
selections, testFrameworkHandle,
() => new TestFrameworkSelection(testFrameworkHandle, testFrameworkOptions, false));
partitions.Add(selection, file);
supported = true;
}
}
if (!supported)
{
TestFrameworkSelection selection = GetFallbackSelection(selections, assemblyReferences,
filteredTestFrameworkHandlesWithoutFallback, testFrameworkOptions, testFrameworkFallbackMode);
if (selection != null)
{
partitions.Add(selection, file);
}
}
}
catch (IOException exception)
{
logger.Log(LogSeverity.Error, string.Format("Skipping file '{0}' due to IO error.", file.FullName), exception);
}
catch (UnauthorizedAccessException exception)
{
logger.Log(LogSeverity.Error, string.Format("Skipping file '{0}' due to security error", file.FullName), exception);
}
}
return(partitions);
}